Network Security Architect (m/f/d)

About the Role As a Network Security Architect, you will safeguard OHB's network architectures in hybrid environments (terrestrial, non-terrestrial, space-based). Your goal is to design a robust, scalable security infrastructure that ensures integrity and resilience across all network domains. What You'll Do

• Develop and maintain network security architecture for hybrid environments (terrestrial, non-terrestrial, space-based)
• Define and implement security policies and technical controls for core, edge, and user segment networks
• Ensure secure integration of communication systems across terrestrial, satellite, and cloud domains
• Conduct threat modeling, risk assessments, and vulnerability analyses
• Coordinate with subcontractors to implement security requirements and review compliance documentation
• Develop and implement network security monitoring strategies (telemetry, anomaly detection)
• Lead incident response and recovery measures for faster containment and recovery during security events
• Advise engineering teams on security best practices and secure design principles What We're Looking For
• Degree in Cybersecurity, Computer Science, Telecommunications, or a related field
• Valid experience in network security architecture, preferably in aerospace or critical infrastructure sectors
• In-depth knowledge of network protocols and technologies (IP/MPLS, BGP, OSPF, SD-WAN)
• Expertise in security solutions such as firewalls, VPNs, IDS/IPS, SIEM, PKI, and endpoint protection
• Experience with secure integration of cloud, satellite, and edge networks
• Familiarity with security frameworks (e.g., NIST, ISO 27001) and regulatory requirements
• Strong analytical, problem-solving, and communication skills Nice to Have
• Certifications like CISSP, CISM, or Cisco Security (CCNP Security) are a plus Compensation & Benefits
• Flexible working hours, sabbatical, and 30 days vacation and special leave days
• Hybrid work and mobile work abroad
• 13th monthly salary, accident insurance, and company pension plan
• Onboarding buddy in the first months and structured onboarding
• Training courses, German language courses, and annual employee dialogue space
• Health management, E-GYM Wellpass, and in-house sports groups
• Subsidies for Deutschland ticket, Job bike, and parking
• Company restaurant with meals subsidy and regular company events